1: (0 1 2)

(0)(1 10 9 4 2 21 18)(3 19 15 8 5)(6 12 7)(11 16 13)(14 20 17)

2: (1 10 18)

(0)(1)(2 21 18 9 4)(3 19 15 8 5)(6 12 7)(10)(11 16 13)(14 20 17)

3: (8 19 15)

(0)(1)(2 21 18 9 4)(3 19 5)(6 12 7)(8)(10)(11 16 13)(14 20 17)(15)

4: (2 21 18)

(0)(1)(2 9 4)(3 19 5)(6 12 7)(8)(10)(11 16 13)(14 20 17)(15)(18)(21)